Seagate Official Manual for High-Performance Computer Drives with Enhanced Reliability and Capacities

3.3Performance

•Programmable multi-segmentable cache buffer

•800MB/s maximum instantaneous data transfers per port

•10K RPM spindle. Average latency = 3.0ms

•Command queuing of up to 128 commands

•Background processing of queue

•Supports start and stop commands (spindle stops spinning)

•Adaptive seek velocity; improved seek performance

3.4Reliability

•Annualized Failure Rate (AFR) of 0.44%

•Mean Time Between Failures (MTBF) of 2,000,000 hours

•Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.)

•5-year warranty

3.5Formatted capacities

Standard OEM models are formatted to 512 bytes per block. The sector size is selectable at format time. Users having the necessary equipment may modify the data block size before issuing a format command and obtain different formatted capacities than those listed.

To provide a stable target capacity environment and at the same time provide users with flexibility if they choose, Seagate recommends product planning in one of two modes:

1.Seagate designs specify capacity points at certain sector sizes that Seagate guarantees current and future products will meet. We recommend customers use this capacity in their project planning, as it ensures a stable operating point with backward and forward compatibility from generation to generation. The current guaranteed operating points for this product are:

	ST9600204FC		ST9450404FC
Sector Size	Decimal	Hex	Decimal	Hex
512	1,172,123,568	45DD2FB0h	879,097,968	3465F870h
520	1,147,307,696	446286B0h	860,480,776	3349E508h
524	1,132,015,600	43792FF0h	849,011,704	329AE3F8h
528	1,115,749,560	4280FCB8h	836,812,168	31E0BD88h

2.Seagate drives also may be used at the maximum available capacity at a given sector size, but the excess capacity above the guaranteed level will vary between 10K and 15K families and from generation to gener- ation, depending on how each sector size actually formats out for zone frequencies and splits over servo bursts. This added capacity potential may range from 0.1 to 1.3 percent above the guaranteed capacities listed above. Using the drives in this manner gives the absolute maximum capacity potential, but the user must determine if the extra capacity potential is useful, or whether their assurance of backward and for- ward compatibility takes precedence.

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